<!DOCTYPE html>
<html lang="zh-CN">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>可信电子凭证查询平台</title>
    <link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/font-awesome/6.4.0/css/all.min.css">
    <style>
        :root {
            --primary-color: #1a73e8;
            --primary-dark: #0d47a1;
            --secondary-color: #f8f9fa;
            --text-color: #202124;
            --light-gray: #f1f3f4;
            --border-color: #dadce0;
            --success-color: #34a853;
            --warning-color: #f9ab00;
            --danger-color: #ea4335;
        }
        
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Segoe UI', 'Microsoft YaHei', sans-serif;
        }
        
        body {
            background-color: #f8f9fa;
            color: var(--text-color);
            line-height: 1.6;
        }
        
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        
        /* 头部样式 */
        header {
            background-color: white;
            box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
            position: sticky;
            top: 0;
            z-index: 100;
        }
        
        .header-content {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 15px 0;
        }
        
        .logo {
            display: flex;
            align-items: center;
            gap: 10px;
        }
        
        .logo i {
            font-size: 24px;
            color: var(--primary-color);
        }
        
        .logo h1 {
            font-size: 20px;
            font-weight: 600;
        }
        
        nav ul {
            display: flex;
            list-style: none;
            gap: 25px;
        }
        
        nav a {
            text-decoration: none;
            color: var(--text-color);
            font-weight: 500;
            padding: 8px 12px;
            border-radius: 4px;
            transition: all 0.3s;
        }
        
        nav a:hover, nav a.active {
            background-color: var(--light-gray);
            color: var(--primary-color);
        }
        
        .user-info {
            display: flex;
            align-items: center;
            gap: 15px;
        }
        
        .avatar {
            width: 36px;
            height: 36px;
            border-radius: 50%;
            background-color: var(--primary-color);
            color: white;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: bold;
        }
        
        /* 主要内容区域 */
        main {
            padding: 30px 0;
            min-height: calc(100vh - 140px);
        }
        
        .page-header {
            margin-bottom: 30px;
        }
        
        .page-header h2 {
            font-size: 24px;
            margin-bottom: 10px;
        }
        
        .page-header p {
            color: #5f6368;
        }
        
        /* 卡片样式 */
        .card {
            background-color: white;
            border-radius: 8px;
            box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
            padding: 24px;
            margin-bottom: 24px;
        }
        
        .card-header {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-bottom: 20px;
            padding-bottom: 15px;
            border-bottom: 1px solid var(--border-color);
        }
        
        .card-title {
            font-size: 18px;
            font-weight: 600;
        }
        
        /* 按钮样式 */
        .btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 10px 20px;
            border-radius: 4px;
            border: none;
            font-weight: 500;
            cursor: pointer;
            transition: all 0.3s;
            text-decoration: none;
        }
        
        .btn-primary {
            background-color: var(--primary-color);
            color: white;
        }
        
        .btn-primary:hover {
            background-color: var(--primary-dark);
        }
        
        .btn-outline {
            background-color: transparent;
            border: 1px solid var(--border-color);
            color: var(--text-color);
        }
        
        .btn-outline:hover {
            background-color: var(--light-gray);
        }
        
        .btn-success {
            background-color: var(--success-color);
            color: white;
        }
        
        .btn-danger {
            background-color: var(--danger-color);
            color: white;
        }
        
        /* 表单样式 */
        .form-group {
            margin-bottom: 20px;
        }
        
        .form-label {
            display: block;
            margin-bottom: 8px;
            font-weight: 500;
        }
        
        .form-control {
            width: 100%;
            padding: 12px 15px;
            border: 1px solid var(--border-color);
            border-radius: 4px;
            font-size: 16px;
            transition: border 0.3s;
        }
        
        .form-control:focus {
            outline: none;
            border-color: var(--primary-color);
        }
        
        /* 网格布局 */
        .row {
            display: flex;
            flex-wrap: wrap;
            margin: 0 -12px;
        }
        
        .col {
            flex: 1;
            padding: 0 12px;
        }
        
        .col-2 {
            flex: 0 0 50%;
            padding: 0 12px;
        }
        
        .col-3 {
            flex: 0 0 33.333%;
            padding: 0 12px;
        }
        
        /* 统计卡片 */
        .stats-container {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
            gap: 20px;
            margin-bottom: 30px;
        }
        
        .stat-card {
            background-color: white;
            border-radius: 8px;
            padding: 20px;
            box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
        }
        
        .stat-value {
            font-size: 28px;
            font-weight: 600;
            margin-bottom: 5px;
        }
        
        .stat-label {
            color: #5f6368;
            font-size: 14px;
        }
        
        /* 表格样式 */
        .table {
            width: 100%;
            border-collapse: collapse;
        }
        
        .table th, .table td {
            padding: 12px 15px;
            text-align: left;
            border-bottom: 1px solid var(--border-color);
        }
        
        .table th {
            font-weight: 600;
            color: #5f6368;
            background-color: var(--light-gray);
        }
        
        .table tr:hover {
            background-color: #f8f9fa;
        }
        
        .status-badge {
            display: inline-block;
            padding: 4px 10px;
            border-radius: 20px;
            font-size: 12px;
            font-weight: 500;
        }
        
        .status-valid {
            background-color: #e6f4ea;
            color: var(--success-color);
        }
        
        .status-invalid {
            background-color: #fce8e6;
            color: var(--danger-color);
        }
        
        /* 页脚样式 */
        footer {
            background-color: white;
            border-top: 1px solid var(--border-color);
            padding: 20px 0;
            text-align: center;
            color: #5f6368;
            font-size: 14px;
        }
        
        /* 验证码输入区域 */
        .verification-area {
            display: flex;
            gap: 15px;
            align-items: flex-end;
        }
        
        .verification-input {
            flex: 1;
        }
        
        /* 标签页样式 */
        .tabs {
            display: flex;
            border-bottom: 1px solid var(--border-color);
            margin-bottom: 20px;
        }
        
        .tab {
            padding: 12px 24px;
            cursor: pointer;
            border-bottom: 2px solid transparent;
            transition: all 0.3s;
        }
        
        .tab.active {
            border-bottom-color: var(--primary-color);
            color: var(--primary-color);
            font-weight: 500;
        }
        
        .tab-content {
            display: none;
        }
        
        .tab-content.active {
            display: block;
        }
        
        /* 文件上传区域 */
        .file-upload-area {
            border: 2px dashed var(--border-color);
            border-radius: 8px;
            padding: 40px 20px;
            text-align: center;
            margin-bottom: 20px;
            transition: all 0.3s;
        }
        
        .file-upload-area:hover {
            border-color: var(--primary-color);
        }
        
        .file-upload-area i {
            font-size: 48px;
            color: var(--primary-color);
            margin-bottom: 15px;
        }
        
        /* 进度条样式 */
        .progress-bar {
            height: 8px;
            background-color: var(--light-gray);
            border-radius: 4px;
            overflow: hidden;
            margin: 15px 0;
        }
        
        .progress {
            height: 100%;
            background-color: var(--primary-color);
            width: 0%;
            transition: width 0.5s;
        }
        
        /* 响应式设计 */
        @media (max-width: 768px) {
            .col, .col-2, .col-3 {
                flex: 0 0 100%;
                margin-bottom: 20px;
            }
            
            nav ul {
                gap: 10px;
            }
            
            .header-content {
                flex-direction: column;
                gap: 15px;
            }
            
            .stats-container {
                grid-template-columns: 1fr;
            }
            
            .tabs {
                flex-wrap: wrap;
            }
            
            .tab {
                flex: 1;
                text-align: center;
            }
        }
    </style>
</head>
<body>
    <header>
        <div class="container">
            <div class="header-content">
                <div class="logo">
                    <i class="fas fa-shield-alt"></i>
                    <h1>可信电子凭证查询平台</h1>
                </div>
                
                <nav>
                    <ul>
                        <li><a href="#" class="nav-link" data-page="index"><i class="fas fa-home"></i> 首页</a></li>
                        <li><a href="#" class="nav-link" data-page="single-query"><i class="fas fa-search"></i> 单凭证查询</a></li>
                        <li><a href="#" class="nav-link" data-page="batch-query"><i class="fas fa-tasks"></i> 批量查询</a></li>
                        <li><a href="#" class="nav-link" data-page="query-results"><i class="fas fa-list-alt"></i> 查询结果</a></li>
                        <li><a href="#" class="nav-link" data-page="admin"><i class="fas fa-cog"></i> 系统管理</a></li>
                    </ul>
                </nav>
                
                <div class="user-info">
                    <div class="avatar">张</div>
                    <span>张三 (备案部门用户)</span>
                </div>
            </div>
        </div>
    </header>
    
    <main>
        <div class="container">
            <!-- 首页内容 -->
            <div id="index" class="page-content active">
                <div class="page-header">
                    <h2>系统概览</h2>
                    <p>欢迎使用可信电子凭证查询平台，您可以进行单凭证查验或批量查验操作</p>
                </div>
                
                <div class="stats-container">
                    <div class="stat-card">
                        <div class="stat-value">1,254</div>
                        <div class="stat-label">今日查询次数</div>
                    </div>
                    <div class="stat-card">
                        <div class="stat-value">98.7%</div>
                        <div class="stat-label">查询成功率</div>
                    </div>
                    <div class="stat-card">
                        <div class="stat-value">23</div>
                        <div class="stat-label">待处理批量任务</div>
                    </div>
                    <div class="stat-card">
                        <div class="stat-value">99.94%</div>
                        <div class="stat-label">系统可用性</div>
                    </div>
                </div>
                
                <div class="row">
                    <div class="col-2">
                        <div class="card">
                            <div class="card-header">
                                <h3 class="card-title">快速查询</h3>
                            </div>
                            <p>输入凭证唯一标识进行单凭证查验</p>
                            <div class="form-group">
                                <label class="form-label">凭证唯一标识</label>
                                <input type="text" class="form-control" placeholder="请输入凭证唯一标识">
                            </div>
                            <div class="form-group">
                                <label class="form-label">用户验证码</label>
                                <input type="text" class="form-control" placeholder="请输入验证码">
                            </div>
                            <div class="form-group">
                                <label class="form-label">短信验证码</label>
                                <div class="verification-area">
                                    <div class="verification-input">
                                        <input type="text" class="form-control" placeholder="请输入短信验证码">
                                    </div>
                                    <button class="btn btn-outline send-sms-btn">发送验证码</button>
                                </div>
                            </div>
                            <button class="btn btn-primary query-btn"><i class="fas fa-search"></i> 立即查询</button>
                        </div>
                    </div>
                    
                    <div class="col-2">
                        <div class="card">
                            <div class="card-header">
                                <h3 class="card-title">批量查询</h3>
                            </div>
                            <p>上传凭证列表或按条件筛选进行批量查验</p>
                            <div class="form-group">
                                <label class="form-label">选择查询方式</label>
                                <select class="form-control">
                                    <option>上传凭证列表</option>
                                    <option>按学校代码筛选</option>
                                    <option>按凭证类型筛选</option>
                                    <option>按签发批次筛选</option>
                                </select>
                            </div>
                            <div class="form-group">
                                <label class="form-label">上传文件</label>
                                <input type="file" class="form-control">
                                <small>支持Excel、CSV格式，单次最多处理1000条记录</small>
                            </div>
                            <button class="btn btn-primary"><i class="fas fa-upload"></i> 提交批量任务</button>
                        </div>
                        
                        <div class="card">
                            <div class="card-header">
                                <h3 class="card-title">最近查询记录</h3>
                                <a href="#" class="btn btn-outline nav-link" data-page="query-results">查看全部</a>
                            </div>
                            <table class="table">
                                <thead>
                                    <tr>
                                        <th>查询时间</th>
                                        <th>凭证标识</th>
                                        <th>状态</th>
                                    </tr>
                                </thead>
                                <tbody>
                                    <tr>
                                        <td>2023-10-25 14:23</td>
                                        <td>CRED20231025001</td>
                                        <td><span class="status-badge status-valid">有效</span></td>
                                    </tr>
                                    <tr>
                                        <td>2023-10-25 13:45</td>
                                        <td>CRED20231024005</td>
                                        <td><span class="status-badge status-invalid">无效</span></td>
                                    </tr>
                                    <tr>
                                        <td>2023-10-25 11:12</td>
                                        <td>CRED20231023012</td>
                                        <td><span class="status-badge status-valid">有效</span></td>
                                    </tr>
                                    <tr>
                                        <td>2023-10-25 09:34</td>
                                        <td>CRED20231022008</td>
                                        <td><span class="status-badge status-valid">有效</span></td>
                                    </tr>
                                </tbody>
                            </table>
                        </div>
                    </div>
                </div>
            </div>
            
            <!-- 单凭证查询页面 -->
            <div id="single-query" class="page-content">
                <div class="page-header">
                    <h2>单凭证查询</h2>
                    <p>输入凭证信息进行单条凭证查验，支持多种验证方式</p>
                </div>
                
                <div class="row">
                    <div class="col-2">
                        <div class="card">
                            <div class="card-header">
                                <h3 class="card-title">凭证信息输入</h3>
                            </div>
                            
                            <div class="tabs">
                                <div class="tab active" data-tab="basic">基础查询</div>
                                <div class="tab" data-tab="advanced">高级查询</div>
                            </div>
                            
                            <div class="tab-content active" id="basic-tab">
                                <div class="form-group">
                                    <label class="form-label">凭证唯一标识</label>
                                    <input type="text" class="form-control" placeholder="请输入凭证唯一标识">
                                </div>
                                
                                <div class="form-group">
                                    <label class="form-label">用户验证码</label>
                                    <div class="verification-area">
                                        <div class="verification-input">
                                            <input type="text" class="form-control" placeholder="请输入验证码">
                                        </div>
                                        <button class="btn btn-outline refresh-captcha">
                                            <i class="fas fa-redo"></i> 刷新
                                        </button>
                                    </div>
                                </div>
                                
                                <div class="form-group">
                                    <label class="form-label">短信验证码</label>
                                    <div class="verification-area">
                                        <div class="verification-input">
                                            <input type="text" class="form-control" placeholder="请输入短信验证码">
                                        </div>
                                        <button class="btn btn-outline send-sms-btn">发送验证码</button>
                                    </div>
                                    <small class="text-muted">24小时内同一设备/IP重复查询可免短信验证</small>
                                </div>
                            </div>
                            
                            <div class="tab-content" id="advanced-tab">
                                <div class="form-group">
                                    <label class="form-label">学校代码</label>
                                    <input type="text" class="form-control" placeholder="请输入学校代码">
                                </div>
                                
                                <div class="form-group">
                                    <label class="form-label">CA证书编号</label>
                                    <input type="text" class="form-control" placeholder="请输入CA证书编号">
                                </div>
                                
                                <div class="form-group">
                                    <label class="form-label">签发时间范围</label>
                                    <div class="row">
                                        <div class="col-2">
                                            <input type="date" class="form-control" placeholder="开始日期">
                                        </div>
                                        <div class="col-2">
                                            <input type="date" class="form-control" placeholder="结束日期">
                                        </div>
                                    </div>
                                </div>
                            </div>
                            
                            <button class="btn btn-primary query-btn"><i class="fas fa-search"></i> 立即查询</button>
                        </div>
                    </div>
                    
                    <div class="col-2">
                        <div class="card">
                            <div class="card-header">
                                <h3 class="card-title">查询结果</h3>
                            </div>
                            
                            <div class="query-result-placeholder">
                                <div style="text-align: center; padding: 40px 20px; color: #5f6368;">
                                    <i class="fas fa-search" style="font-size: 48px; margin-bottom: 15px; opacity: 0.5;"></i>
                                    <p>请输入查询条件并点击"立即查询"查看结果</p>
                                </div>
                            </div>
                            
                            <div class="query-result" style="display: none;">
                                <div class="result-summary">
                                    <h4>查询结果</h4>
                                    <div class="status-badge status-valid" style="margin-bottom: 15px;">凭证有效</div>
                                </div>
                                
                                <table class="table">
                                    <tr>
                                        <td width="30%"><strong>凭证唯一标识</strong></td>
                                        <td>CRED20231025001</td>
                                    </tr>
                                    <tr>
                                        <td><strong>CAMI码</strong></td>
                                        <td>CAMI20231025001A1B2C3</td>
                                    </tr>
                                    <tr>
                                        <td><strong>签发时间</strong></td>
                                        <td>2023-10-25 10:30:45</td>
                                    </tr>
                                    <tr>
                                        <td><strong>凭证状态</strong></td>
                                        <td><span class="status-badge status-valid">有效</span></td>
                                    </tr>
                                    <tr>
                                        <td><strong>学校代码</strong></td>
                                        <td>SCH1001</td>
                                    </tr>
                                </table>
                                
                                <div class="card-footer" style="margin-top: 20px; padding-top: 15px; border-top: 1px solid var(--border-color);">
                                    <button class="btn btn-outline"><i class="fas fa-print"></i> 打印</button>
                                    <button class="btn btn-primary"><i class="fas fa-download"></i> 导出PDF</button>
                                </div>
                            </div>
                        </div>
                    </div>
                </div>
            </div>
            
            <!-- 批量查询页面 -->
            <div id="batch-query" class="page-content">
                <div class="page-header">
                    <h2>批量查询</h2>
                    <p>上传凭证列表或按条件筛选进行批量查验，支持导出查验报告</p>
                </div>
                
                <div class="row">
                    <div class="col-2">
                        <div class="card">
                            <div class="card-header">
                                <h3 class="card-title">批量查询方式</h3>
                            </div>
                            
                            <div class="tabs">
                                <div class="tab active" data-tab="upload">文件上传</div>
                                <div class="tab" data-tab="filter">条件筛选</div>
                            </div>
                            
                            <div class="tab-content active" id="upload-tab">
                                <div class="file-upload-area">
                                    <i class="fas fa-cloud-upload-alt"></i>
                                    <h4>上传凭证列表文件</h4>
                                    <p>支持Excel、CSV格式，单次最多处理1000条记录</p>
                                    <input type="file" id="file-upload" style="display: none;">
                                    <button class="btn btn-primary" id="upload-trigger"><i class="fas fa-folder-open"></i> 选择文件</button>
                                </div>
                                
                                <div class="file-info" style="display: none;">
                                    <div class="form-group">
                                        <label class="form-label">已选择文件</label>
                                        <div class="selected-file">
                                            <i class="fas fa-file-excel" style="color: var(--success-color); margin-right: 10px;"></i>
                                            <span class="file-name">credentials_list_20231025.xlsx</span>
                                            <span class="file-size">(256 KB)</span>
                                        </div>
                                    </div>
                                    
                                    <div class="form-group">
                                        <label class="form-label">处理进度</label>
                                        <div class="progress-bar">
                                            <div class="progress" id="upload-progress"></div>
                                        </div>
                                        <div class="progress-text" style="text-align: center; font-size: 14px; color: #5f6368;">
                                            正在处理... <span id="progress-percent">0%</span>
                                        </div>
                                    </div>
                                </div>
                                
                                <button class="btn btn-primary" id="start-batch-query" style="width: 100%;"><i class="fas fa-play"></i> 开始批量查询</button>
                            </div>
                            
                            <div class="tab-content" id="filter-tab">
                                <div class="form-group">
                                    <label class="form-label">学校代码</label>
                                    <input type="text" class="form-control" placeholder="请输入学校代码">
                                </div>
                                
                                <div class="form-group">
                                    <label class="form-label">凭证类型</label>
                                    <select class="form-control">
                                        <option value="">全部类型</option>
                                        <option value="degree">学历证书</option>
                                        <option value="certificate">职业资格证书</option>
                                        <option value="transcript">成绩单</option>
                                        <option value="other">其他</option>
                                    </select>
                                </div>
                                
                                <div class="form-group">
                                    <label class="form-label">签发批次</label>
                                    <input type="text" class="form-control" placeholder="请输入签发批次号">
                                </div>
                                
                                <div class="form-group">
                                    <label class="form-label">签发时间范围</label>
                                    <div class="row">
                                        <div class="col-2">
                                            <input type="date" class="form-control" placeholder="开始日期">
                                        </div>
                                        <div class="col-2">
                                            <input type="date" class="form-control" placeholder="结束日期">
                                        </div>
                                    </div>
                                </div>
                                
                                <button class="btn btn-primary" style="width: 100%;"><i class="fas fa-search"></i> 开始筛选查询</button>
                            </div>
                        </div>
                    </div>
                    
                    <div class="col-2">
                        <div class="card">
                            <div class="card-header">
                                <h3 class="card-title">批量查询任务</h3>
                                <button class="btn btn-outline"><i class="fas fa-sync"></i> 刷新</button>
                            </div>
                            
                            <table class="table">
                                <thead>
                                    <tr>
                                        <th>任务ID</th>
                                        <th>提交时间</th>
                                        <th>记录数</th>
                                        <th>状态</th>
                                        <th>操作</th>
                                    </tr>
                                </thead>
                                <tbody>
                                    <tr>
                                        <td>BATCH20231025001</td>
                                        <td>2023-10-25 14:30</td>
                                        <td>150</td>
                                        <td><span class="status-badge status-valid">已完成</span></td>
                                        <td>
                                            <button class="btn btn-outline btn-sm"><i class="fas fa-download"></i> 导出</button>
                                        </td>
                                    </tr>
                                    <tr>
                                        <td>BATCH20231024003</td>
                                        <td>2023-10-24 16:45</td>
                                        <td>89</td>
                                        <td><span class="status-badge status-valid">已完成</span></td>
                                        <td>
                                            <button class="btn btn-outline btn-sm"><i class="fas fa-download"></i> 导出</button>
                                        </td>
                                    </tr>
                                    <tr>
                                        <td>BATCH20231023005</td>
                                        <td>2023-10-23 09:12</td>
                                        <td>256</td>
                                        <td><span class="status-badge status-valid">已完成</span></td>
                                        <td>
                                            <button class="btn btn-outline btn-sm"><i class="fas fa-download"></i> 导出</button>
                                        </td>
                                    </tr>
                                    <tr>
                                        <td>BATCH20231025002</td>
                                        <td>2023-10-25 15:20</td>
                                        <td>75</td>
                                        <td><span class="status-badge" style="background-color: #fff8e1; color: var(--warning-color);">处理中</span></td>
                                        <td>
                                            <button class="btn btn-outline btn-sm" disabled><i class="fas fa-clock"></i> 等待</button>
                                        </td>
                                    </tr>
                                </tbody>
                            </table>
                        </div>
                        
                        <div class="card">
                            <div class="card-header">
                                <h3 class="card-title">批量查询说明</h3>
                            </div>
                            <div class="card-body">
                                <ul style="padding-left: 20px; color: #5f6368;">
                                    <li>单次批量查询最多支持1000条记录</li>
                                    <li>文件格式支持Excel(.xlsx, .xls)和CSV</li>
                                    <li>文件必须包含"凭证唯一标识"列</li>
                                    <li>处理时间取决于记录数量，通常1-5分钟</li>
                                    <li>查询结果保留30天，请及时导出</li>
                                </ul>
                            </div>
                        </div>
                    </div>
                </div>
            </div>
            
            <!-- 查询结果页面 -->
            <div id="query-results" class="page-content">
                <div class="page-header">
                    <h2>查询结果</h2>
                    <p>查看历史查询记录和详细结果</p>
                </div>
                
                <div class="card">
                    <div class="card-header">
                        <h3 class="card-title">查询记录</h3>
                        <div>
                            <button class="btn btn-outline"><i class="fas fa-download"></i> 导出Excel</button>
                            <button class="btn btn-outline"><i class="fas fa-file-pdf"></i> 导出PDF</button>
                        </div>
                    </div>
                    
                    <div class="card-body">
                        <table class="table">
                            <thead>
                                <tr>
                                    <th>查询时间</th>
                                    <th>查询类型</th>
                                    <th>凭证标识</th>
                                    <th>CAMI码</th>
                                    <th>签发时间</th>
                                    <th>状态</th>
                                    <th>操作</th>
                                </tr>
                            </thead>
                            <tbody>
                                <tr>
                                    <td>2023-10-25 14:23</td>
                                    <td>单凭证查询</td>
                                    <td>CRED20231025001</td>
                                    <td>CAMI20231025001A1B2C3</td>
                                    <td>2023-10-25 10:30:45</td>
                                    <td><span class="status-badge status-valid">有效</span></td>
                                    <td>
                                        <button class="btn btn-outline btn-sm"><i class="fas fa-eye"></i> 查看</button>
                                    </td>
                                </tr>
                                <tr>
                                    <td>2023-10-25 13:45</td>
                                    <td>单凭证查询</td>
                                    <td>CRED20231024005</td>
                                    <td>CAMI20231024005X7Y8Z9</td>
                                    <td>2023-10-24 14:20:30</td>
                                    <td><span class="status-badge status-invalid">无效</span></td>
                                    <td>
                                        <button class="btn btn-outline btn-sm"><i class="fas fa-eye"></i> 查看</button>
                                    </td>
                                </tr>
                                <tr>
                                    <td>2023-10-25 11:12</td>
                                    <td>批量查询</td>
                                    <td>BATCH20231025001</td>
                                    <td>-</td>
                                    <td>-</td>
                                    <td><span class="status-badge status-valid">已完成</span></td>
                                    <td>
                                        <button class="btn btn-outline btn-sm"><i class="fas fa-download"></i> 导出</button>
                                    </td>
                                </tr>
                                <tr>
                                    <td>2023-10-25 09:34</td>
                                    <td>单凭证查询</td>
                                    <td>CRED20231022008</td>
                                    <td>CAMI20231022008P5Q6R7</td>
                                    <td>2023-10-22 09:15:20</td>
                                    <td><span class="status-badge status-valid">有效</span></td>
                                    <td>
                                        <button class="btn btn-outline btn-sm"><i class="fas fa-eye"></i> 查看</button>
                                    </td>
                                </tr>
                                <tr>
                                    <td>2023-10-24 16:20</td>
                                    <td>批量查询</td>
                                    <td>BATCH20231024003</td>
                                    <td>-</td>
                                    <td>-</td>
                                    <td><span class="status-badge status-valid">已完成</span></td>
                                    <td>
                                        <button class="btn btn-outline btn-sm"><i class="fas fa-download"></i> 导出</button>
                                    </td>
                                </tr>
                            </tbody>
                        </table>
                        
                        <div style="display: flex; justify-content: space-between; align-items: center; margin-top: 20px;">
                            <div>显示 1-5 条，共 128 条记录</div>
                            <div>
                                <button class="btn btn-outline btn-sm">上一页</button>
                                <button class="btn btn-outline btn-sm">下一页</button>
                            </div>
                        </div>
                    </div>
                </div>
            </div>
            
            <!-- 系统管理页面 -->
            <div id="admin" class="page-content">
                <div class="page-header">
                    <h2>系统管理</h2>
                    <p>管理系统用户、权限设置和数据维护</p>
                </div>
                
                <div class="row">
                    <div class="col-3">
                        <div class="card">
                            <div class="card-header">
                                <h3 class="card-title">用户管理</h3>
                            </div>
                            <div class="card-body">
                                <p>管理系统用户账户和权限</p>
                                <button class="btn btn-primary" style="width: 100%; margin-top: 15px;"><i class="fas fa-users-cog"></i> 进入用户管理</button>
                            </div>
                        </div>
                    </div>
                    
                    <div class="col-3">
                        <div class="card">
                            <div class="card-header">
                                <h3 class="card-title">数据同步</h3>
                            </div>
                            <div class="card-body">
                                <p>管理省级节点数据同步任务</p>
                                <button class="btn btn-primary" style="width: 100%; margin-top: 15px;"><i class="fas fa-sync"></i> 进入数据同步</button>
                            </div>
                        </div>
                    </div>
                    
                    <div class="col-3">
                        <div class="card">
                            <div class="card-header">
                                <h3 class="card-title">系统日志</h3>
                            </div>
                            <div class="card-body">
                                <p>查看系统操作日志和审计记录</p>
                                <button class="btn btn-primary" style="width: 100%; margin-top: 15px;"><i class="fas fa-clipboard